Changan CS35 - Page 201

CS35 2013.04
3.1.13-185 3.1.13-185Electronic Control System - ME7
2. Inspect the data stream
A. Connect the diagnostic tool.
B. Turn the ignition switch to position "ON".
C. Start the engine, let the engine running to the
normal working temperature.
D. Select "Changan Auto"/"CS35"/"UAE ME 788'/
"knock sensor signal 1, knock sensor signal 2,
ignition advance angle, engine speed".
E. Road test to read the data stream that display on
the diagnosis apparatus.
Is the data stream normal?
Y
Refer to: Intermittent Fault Inspection
(3.1.13 Electrical Control System - ME7,
Symptom Diagnosis and Testing).
N
Go to step 3.
3. Inspect the knock sensor
A. Turn the ignition switch to position "LOCK".
B. Disconnect the knock sensor wiring harness
connector E10.
C. Measure the resistance value of knock sensor.
Standard Voltage Value: 25 ℃ (77ºF) higher than
1MΩ
D. Connect the knock sensor wiring harness connector
E10.
Is the resistance value normal?
Y
Go to step 4.
N
Intermittent fault.
Replace the knock sensor.
Refer to: Knock Sensor (3.1.13 Electronic
Control System - ME7, Removal and
Installation).
4. Inspect the knock sensor terminal 1 circuit
Test Conditions Details/Results/Actions
12
E10
A3113086
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